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Apple Computing Products:
macOS - Notebook Hardware
17" A1229 MBP Screen Issue
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<blockquote data-quote="chscag" data-source="post: 1114915" data-attributes="member: 46727"><p>It sounds like either the backlight or the inverter (which powers the backlight) is not functioning properly or could have gone out completely. Since you can use an external monitor OK, that eliminates the graphics chipset - which is good.</p><p></p><p>However, the backlight on a MB or MBP is a very difficult repair. Usually the recommended repair is to replace the entire display (the backlight is enclosed with the display body case). And it could be a bad inverter. Probably best to replace both. I'm assuming your machine is no longer under warranty so you may want to do the repairs yourself. Go to <a href="http://www.ifixit.com" target="_blank">iFixit: The free repair manual</a>. They have the parts and also instructions on how to do the repairs.</p></blockquote><p></p>
[QUOTE="chscag, post: 1114915, member: 46727"] It sounds like either the backlight or the inverter (which powers the backlight) is not functioning properly or could have gone out completely. Since you can use an external monitor OK, that eliminates the graphics chipset - which is good. However, the backlight on a MB or MBP is a very difficult repair. Usually the recommended repair is to replace the entire display (the backlight is enclosed with the display body case). And it could be a bad inverter. Probably best to replace both. I'm assuming your machine is no longer under warranty so you may want to do the repairs yourself. Go to [url=http://www.ifixit.com]iFixit: The free repair manual[/url]. They have the parts and also instructions on how to do the repairs. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
17" A1229 MBP Screen Issue
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